Engel, Randell G. Introduction to Organic Laboratory Techniques:a small scale approach / by Randall G. Engel, George S. Kriz, Gary M. Lampman & Donald L. Pavia. - 3rd ed - India. Cengage Learning: 2011. - 1006p.: ill., photographs; 22cm. ISBN: 9788131525159 Dewey Class. No.: 547.0078 / ENG/I